[PATCH v5 08/29] drm/omap: dsi: drop useless channel checks

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



A DSI peripheral can have virtual channel ID of 0-3. This should be
always the case, and there's no need in the driver to validate the
channel.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/dss/dsi.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 5e13478010db..c78ae99c8742 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -3902,9 +3902,6 @@ static int dsi_update_channel(struct omap_dss_device *dssdev, int channel)
 	struct dsi_data *dsi = to_dsi_data(dssdev);
 	int r;
 
-	if (channel > 3)
-		return -EINVAL;
-
 	dsi_bus_lock(dsi);
 
 	if (!dsi->video_enabled) {
@@ -5068,12 +5065,8 @@ static int omap_dsi_host_attach(struct mipi_dsi_host *host,
 				struct mipi_dsi_device *client)
 {
 	struct dsi_data *dsi = host_to_omap(host);
-	unsigned int channel = client->channel;
 	int r;
 
-	if (channel > 3)
-		return -EINVAL;
-
 	if (dsi->dsidev) {
 		DSSERR("dsi client already attached\n");
 		return -EBUSY;
@@ -5123,10 +5116,6 @@ static int omap_dsi_host_detach(struct mipi_dsi_host *host,
 				struct mipi_dsi_device *client)
 {
 	struct dsi_data *dsi = host_to_omap(host);
-	unsigned int channel = client->channel;
-
-	if (channel > 3)
-		return -EINVAL;
 
 	if (WARN_ON(dsi->dsidev != client))
 		return -EINVAL;
-- 
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki




[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux